--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2020-12-19T00:00:00Z dns-udp-queries-received-ipv4: 3842710290 dns-udp-queries-received-ipv6: 848007945 dns-tcp-queries-received-ipv4: 133396369 dns-tcp-queries-received-ipv6: 65088155 dns-udp-responses-sent-ipv4: 3820856620 dns-udp-responses-sent-ipv6: 847828770 dns-tcp-responses-sent-ipv4: 108034318 dns-tcp-responses-sent-ipv6: 66571085